Louis Erard 1931 Moon Phase and GMT Large Date New 40mm Models

In 2009, along with the new 44m variants, Louis Erard also launched more traditionally-sized (40 mm) versions of its 1931 Moon Phase and 1931 GMT Large Date models. They are available in steel or rose gold case, with silvered or anthracite dials.

Louis Erard 1931 Moon Phase 40mm rose gold watch

The Moon Phase variant from the Louis Erard 1931 series features pointer date function, moon-phase display at 6 o’clock and apertures for displaying date and month. This self-winding watch is equipped with the modified ETA 2824 movement with Dubois Dépraz 9000 module.

Louis Erard 1931 Moon Phase 40mm rose steel watch with grey dial

The 1931 GMT Large Date model houses the automatic ETA 2824 calibre and TT651 module. This traveler’s watch combines new complications: Large date at 12 o’clock and second time zone at 6 o’clock.

Louis Erard 1931 GMT Large Date 40mm stainless steel watch with silvered dial

Fitted with sapphire crystal case-back, each timepiece from this series is water resistant up to 50 meters. Depending upon the dial color, these watches highlight silvered or 4N rose gold-plated hour markers.

Louis Erard 1931 GMT Large Date 40mm rose gold watch with silvered dial

Technical details

  • Louis Erard 1931 Moon Phase 40mm

  • Louis Erard 1931 GMT Large Date 40mm

Movement
Automatic ETA 2824
Modified with Dubois Dépraz 9000 module (Moon Phase) or TT651 module (GMT Large Date)

Functions
Hours, minutes, seconds, date
Day, month and moon phase (Moon Phase)
Second time zone (GMT Large Date)

Case
Stainless steel or 18K rose gold
40 mm in diameter
Anti-reflective sapphire crystal
Transparent back
Water-resistant to 50 m

Dial
Silvered or grey
Silvered or 4N rose gold-plated hour markers
Superluminova hands
Date at centre, moon phase at 6 o’clock, day and month at 12 o’clock (Moon Phase)
Large date at 12 o’clock and second time zone at 6 o’clock (GMT Large Date)

Strap
Black, coffee or grey leather, or black rubber
Stainless steel folding clasp or 18K rose gold buckle